High severity7.4NVD Advisory· Published May 27, 2026· Updated Jul 24, 2026
CVE-2026-49014
CVE-2026-49014
Description
In GDAL 3.1.0 through 3.13.0, scanForGeometryContainers in the netCDF driver allows code execution via a stack-based buffer overflow. It reads a geometry attribute into a fixed-size stack buffer without validating the attribute length. The attacker embeds the exploit as an oversized geometry attribute in a crafted NetCDF file. This achieves arbitrary code execution on the server running GDAL. This is in frmts/netcdf/netcdfsg.cpp.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
gdalPyPI | >= 3.1.0, < 3.13.1 | 3.13.1 |
Affected products
4Patches
Vulnerability mechanics
References
7- github.com/OSGeo/gdal/issues/14594nvdIssue TrackingMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-wphc-7cm7-8mf7ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-49014ghsaADVISORY
- github.com/OSGeo/gdal/blob/v3.13.1/NEWS.mdghsaWEB
- github.com/OSGeo/gdal/commit/f5ebabc1042f3c59b24e7c8ad45dda242d127f09ghsaWEB
- github.com/OSGeo/gdal/pull/14598ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/gdal/PYSEC-2026-193.yamlghsaWEB
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